<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>
<div>
    hello world!
    <p class="icon"></p>
</div>

div.seat$$$*5
p>{点击}+a{这里}+{跳转}
</body>
</html>